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TexasDave

avahi-daemon continues to spam my logs due to naming conflict

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I have been looking at this issue off and on for several months now. There are two fixes / issues that can cause this. See these threads:


CAN NOT WRITE TO ARRAY - INTERMITTENTLY (SOLVED)

 

LOG FILLING WITH "HOST NAME CONFLICT" MESSAGES

 

I had the first issues and corrected it (Shrink the IP range owned by the DHCP server.). I monitored my logs and all seemed well. Then a few weeks later I noticed the issue was back. As it is not a critical issue, I have been messing with it off and on. 

 

I believe one of my dockers is triggering this issue in my setup. I attach my logs and diagnostics. 

 

The interesting bit is below (I think). I rebooted my server and things ran fine for several days as I had all dockers off. I then turned on Plex (as this is the one I thought might be triggering the issue (but we wanted to watch a movie)) but nothing happened in the log. All was still good.

 

But when the auto-updater ran, and restarted my dockers, the issue manifested itself again. 

 

Just curious if anyone can help me narrow this down. Many thanks!

 

Aug 30 09:36:39 Zack-unRAID kernel: microcode: microcode updated early to revision 0x24, date = 2018-01-21
Aug 30 09:36:39 Zack-unRAID kernel: Linux version 4.14.35-unRAID (root@develop64) (gcc version 7.3.0 (GCC)) #1 SMP PREEMPT Thu Apr 19 14:06:21 PDT 2018
Aug 30 09:36:39 Zack-unRAID kernel: Command line: BOOT_IMAGE=/bzimage initrd=/bzroot nomodeset
Aug 30 09:36:39 Zack-unRAID kernel: x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
Aug 30 09:36:39 Zack-unRAID kernel: x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
Aug 30 09:36:39 Zack-unRAID kernel: x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
Aug 30 09:36:39 Zack-unRAID kernel: x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
Aug 30 09:36:39 Zack-unRAID kernel: x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
Aug 30 09:36:39 Zack-unRAID kernel: e820: BIOS-provided physical RAM map:
Aug 30 09:36:39 Zack-unRAID kernel: BIOS-e820: [mem 0x0000000000000000-0x0000000000098bff] usable
Aug 30 09:36:39 Zack-unRAID kernel: BIOS-e820: [mem 0x0000000000098c00-0x000000000009ffff] reserved
Aug 30 09:36:39 Zack-unRAID kernel: BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
Aug 30 09:36:39 Zack-unRAID kernel: BIOS-e820: [mem 0x0000000000100000-0x00000000cd536fff] usable
Aug 30 09:36:39 Zack-unRAID kernel: BIOS-e820: [mem 0x00000000cd537000-0x00000000cd53dfff] ACPI NVS
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Aug 30 12:35:18 Zack-unRAID kernel: IPv6: ADDRCONF(NETDEV_UP): veth1119267: link is not ready
Aug 30 12:35:18 Zack-unRAID kernel: docker0: port 13(veth1119267) entered blocking state
Aug 30 12:35:18 Zack-unRAID kernel: docker0: port 13(veth1119267) entered forwarding state
Aug 30 12:35:18 Zack-unRAID kernel: docker0: port 13(veth1119267) entered disabled state
Aug 30 12:35:18 Zack-unRAID kernel: eth0: renamed from veth6f8d175
Aug 30 12:35:18 Zack-unRAID kernel: IPv6: ADDRCONF(NETDEV_CHANGE): veth1119267: link becomes ready
Aug 30 12:35:18 Zack-unRAID kernel: docker0: port 13(veth1119267) entered blocking state
Aug 30 12:35:18 Zack-unRAID kernel: docker0: port 13(veth1119267) entered forwarding state
Aug 30 12:35:20 Zack-unRAID avahi-daemon[7109]: Joining mDNS multicast group on interface veth1119267.IPv6 with address fe80::ccc8:7bff:fe12:a8c1.
Aug 30 12:35:20 Zack-unRAID avahi-daemon[7109]: New relevant interface veth1119267.IPv6 for mDNS.
Aug 30 12:35:20 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::ccc8:7bff:fe12:a8c1 on veth1119267.*.
Aug 30 14:46:09 Zack-unRAID kernel: mdcmd (42): spindown 0
Aug 30 16:26:15 Zack-unRAID kernel: mdcmd (43): spindown 2
Aug 30 16:26:17 Zack-unRAID kernel: mdcmd (44): spindown 3
Aug 30 16:26:17 Zack-unRAID kernel: mdcmd (45): spindown 4
Aug 30 16:26:17 Zack-unRAID kernel: mdcmd (46): spindown 5
Aug 30 20:41:44 Zack-unRAID kernel: mdcmd (47): spindown 0
Aug 30 20:41:45 Zack-unRAID kernel: mdcmd (48): spindown 3
Aug 30 20:41:45 Zack-unRAID kernel: mdcmd (49): spindown 4
Aug 30 21:00:17 Zack-unRAID kernel: mdcmd (50): spindown 1
Aug 30 22:20:57 Zack-unRAID kernel: mdcmd (51): spindown 5
Aug 30 23:32:56 Zack-unRAID kernel: mdcmd (52): spindown 2
Aug 30 23:36:36 Zack-unRAID kernel: mdcmd (53): spindown 1
Aug 31 00:00:01 Zack-unRAID Docker Auto Update: Community Applications Docker Autoupdate running
Aug 31 00:00:01 Zack-unRAID Plugin Auto Update: Checking for available plugin updates
Aug 31 00:00:01 Zack-unRAID Docker Auto Update: Checking for available updates
Aug 31 00:00:05 Zack-unRAID Plugin Auto Update: dynamix.system.stats.plg version 2018.08.29a does not meet age requirements to update
Aug 31 00:00:05 Zack-unRAID Plugin Auto Update: Community Applications Plugin Auto Update finished
Aug 31 00:00:19 Zack-unRAID sSMTP[18184]: Creating SSL connection to host
Aug 31 00:00:19 Zack-unRAID sSMTP[18184]: SSL connection using ECDHE-RSA-AES128-GCM-SHA256
Aug 31 00:00:21 Zack-unRAID sSMTP[18184]: Sent mail for ra2258@gmail.com (221 2.0.0 closing connection q21-v6sm3543595wmq.3 - gsmtp) uid=0 username=root outbytes=693
Aug 31 00:00:22 Zack-unRAID Docker Auto Update: Stopping CalibreWeb
Aug 31 00:00:22 Zack-unRAID Docker Auto Update: docker stop -t 10 CalibreWeb
Aug 31 00:00:32 Zack-unRAID kernel: docker0: port 1(veth14d836d) entered disabled state
Aug 31 00:00:32 Zack-unRAID kernel: vethafdcedb: renamed from eth0
Aug 31 00:00:32 Zack-unRAID avahi-daemon[7109]: Interface veth14d836d.IPv6 no longer relevant for mDNS.
Aug 31 00:00:32 Zack-unRAID avahi-daemon[7109]: Leaving mDNS multicast group on interface veth14d836d.IPv6 with address fe80::3c8c:cff:fe3b:e5cc.
Aug 31 00:00:32 Zack-unRAID kernel: docker0: port 1(veth14d836d) entered disabled state
Aug 31 00:00:32 Zack-unRAID kernel: device veth14d836d left promiscuous mode
Aug 31 00:00:32 Zack-unRAID kernel: docker0: port 1(veth14d836d) entered disabled state
Aug 31 00:00:32 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::3c8c:cff:fe3b:e5cc on veth14d836d.
Aug 31 00:00:32 Zack-unRAID Docker Auto Update: Installing Updates for CalibreWeb
Aug 31 00:02:09 Zack-unRAID Docker Auto Update: Restarting CalibreWeb
Aug 31 00:02:09 Zack-unRAID kernel: docker0: port 1(veth069ef4d) entered blocking state
Aug 31 00:02:09 Zack-unRAID kernel: docker0: port 1(veth069ef4d) entered disabled state
Aug 31 00:02:09 Zack-unRAID kernel: device veth069ef4d entered promiscuous mode
Aug 31 00:02:09 Zack-unRAID kernel: IPv6: ADDRCONF(NETDEV_UP): veth069ef4d: link is not ready
Aug 31 00:02:09 Zack-unRAID kernel: eth0: renamed from vetha5a479d
Aug 31 00:02:09 Zack-unRAID kernel: IPv6: ADDRCONF(NETDEV_CHANGE): veth069ef4d: link becomes ready
Aug 31 00:02:09 Zack-unRAID kernel: docker0: port 1(veth069ef4d) entered blocking state
Aug 31 00:02:09 Zack-unRAID kernel: docker0: port 1(veth069ef4d) entered forwarding state
Aug 31 00:02:09 Zack-unRAID sSMTP[18651]: Creating SSL connection to host
Aug 31 00:02:09 Zack-unRAID sSMTP[18651]: SSL connection using ECDHE-RSA-AES128-GCM-SHA256
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Joining mDNS multicast group on interface veth069ef4d.IPv6 with address fe80::a013:afff:fe71:1fc5.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: New relevant interface veth069ef4d.IPv6 for mDNS.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::a013:afff:fe71:1fc5 on veth069ef4d.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::ccc8:7bff:fe12:a8c1 on veth1119267.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::64c4:5fff:fe8c:2ea2 on vethd2d6e3a.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::60e0:42ff:fe7b:80dd on vethf61ec24.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::7868:58ff:febb:d786 on vetha52000d.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::2884:93ff:fe00:83e6 on veth75d2346.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::1859:fff:fefc:b7c1 on veth3e43557.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::6c63:eaff:fe7c:2782 on veth685b816.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::30c2:abff:feb4:1491 on veth5e4de85.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::8c9e:d4ff:feb5:5a4d on veth5e3645e.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::a8ad:abff:fe0a:537b on veth832ce0f.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::f81a:a5ff:fe8b:4745 on vethd949b2a.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::a411:aeff:fe19:7cfa on veth2bab9f2.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for 192.168.122.1 on virbr0.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::42:4eff:fe01:7855 on docker0.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for 172.17.0.1 on docker0.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::587d:17ff:fe4d:7827 on br1.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::ac56:eff:fe8a:f6a6 on br0.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for 192.168.1.115 on br0.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Withdrawing address record for fe80::ec4:7aff:fe32:b928 on eth0.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Host name conflict, retrying with Zack-unRAID-2
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::a013:afff:fe71:1fc5 on veth069ef4d.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::ccc8:7bff:fe12:a8c1 on veth1119267.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::64c4:5fff:fe8c:2ea2 on vethd2d6e3a.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::60e0:42ff:fe7b:80dd on vethf61ec24.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::7868:58ff:febb:d786 on vetha52000d.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::2884:93ff:fe00:83e6 on veth75d2346.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::1859:fff:fefc:b7c1 on veth3e43557.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::6c63:eaff:fe7c:2782 on veth685b816.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::30c2:abff:feb4:1491 on veth5e4de85.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::8c9e:d4ff:feb5:5a4d on veth5e3645e.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::a8ad:abff:fe0a:537b on veth832ce0f.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::f81a:a5ff:fe8b:4745 on vethd949b2a.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::a411:aeff:fe19:7cfa on veth2bab9f2.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for 192.168.122.1 on virbr0.IPv4.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::42:4eff:fe01:7855 on docker0.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for 172.17.0.1 on docker0.IPv4.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::587d:17ff:fe4d:7827 on br1.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::ac56:eff:fe8a:f6a6 on br0.*.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for 192.168.1.115 on br0.IPv4.
Aug 31 00:02:10 Zack-unRAID avahi-daemon[7109]: Registering new address record for fe80::ec4:7aff:fe32:b928 on eth0.*.
Aug 31 00:02:12 Zack-unRAID sSMTP[18651]: Sent mail for ra2258@gmail.com (221 2.0.0 closing connection 34-v6sm13553632wra.20 - gsmtp) uid=0 username=root outbytes=617


 

zack-unraid-diagnostics-20180901-1115.zip

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Do you use/need Apple machines in your network?

If it is a Windows environment, you can disable the avahi service by editing the file share.cfg in the /config folder on your flash device. Set

shareAvahiEnabled="no"

You need to restart

Edited by bonienl
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That would work 🙂 We have some iPads and iPhones. But mostly PC and Android. How will that affect the iPhone and iPad? No one on those devices use unRAID so assume it is not an issue. 

 

What is the purpose of that deamon? EDIT: Stopped being lazy https://linux.die.net/man/8/avahi-daemon

 

Still curious why this happens....

 

Thanks!

Edited by TexasDave

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You have a name conflict. What name did you give to your Plex server? Is it the same as your unRAID server? Try changing it to Zack-Plex instead?

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